Modify topics count

courses/reports/serializers.py

@@ -156,7 +156,7 @@ class UserStatsSerializer(serializers.ModelSerializer):
         return obj.actor_actions.filter(verb='access', timestamp__gte=time_delta).count()
 
     def get_topics(self, obj):
-        return Topic.objects.filter(author=obj).count()
+        return Topic.objects.filter(author=obj).exclude(forum__forum_type='activity').count()
 
     def get_reactions(self, obj):
         return TopicLike.objects.filter(user=obj).count() + CommentLike.objects.filter(user=obj).count()